이은

Department: Production
Job: Executive Producer

정초신

Department: Directing
Job: Director

Park Chae-woon

Department: Writing
Job: Screenplay

이종호

Department: Production
Job: Line Producer

이대훈

Department: Art
Job: Production Design

윤해진

Department: Sound
Job: Production Sound Mixer

서정민

Department: Camera
Job: Director of Photography

조성각

Department: Lighting
Job: Lighting Director

남나영

Department: Editing
Job: Editor

김석원

Department: Sound
Job: Sound Supervisor

조성배

Department: Visual Effects
Job: Special Effects Supervisor

강은비

Oh Sung-eun

이지훈

Kang Bong-goo

전혜빈

Bang Soo-yeon

박슬기

Kim Mi-sook

신주아

Baek Se-mi

김지영

Biology teacher

Jeon Jae-hyeong

Ji Suk-goo

박예진

Sung-eun's older sister

김해숙

Sung-eun's mother

박길수

AIDS / Chan Sung-bok

정동환

Sung-eun's father

고호경

Da-eun

정유미

Class monitor

김수웅

Head teacher

Ha Ji-eun

In-hwa

Lee Jae-pil

Kim

이민정

Classmate

조한나

Classmate

황신정

Woman

최시연

Nurse